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R1223N252C-TR Datasheet(PDF) 10 Page - RICOH electronics devices division

Part # R1223N252C-TR
Description  PWM/VFM Step-down DC/DC Converter
Download  19 Pages
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Manufacturer  RICOH [RICOH electronics devices division]
Direct Link  http://www.ricoh.com
Logo RICOH - RICOH electronics devices division

R1223N252C-TR Datasheet(HTML) 10 Page - RICOH electronics devices division

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12345
Rev. 1.11
- 10 -
n TYPICAL CHARACTERISTICS
1) Output Voltage vs. Output Current
3.200
3.220
3.240
3.260
3.280
3.300
3.320
3.340
3.360
3.380
3.400
1E-05 0.0001 0.001
0.01
0.1
1
Output Current IOUT(A)
12V
8V
4.5V
R1223N332H
L=27uH
1.470
1.480
1.490
1.500
1.510
1.520
1.530
1E-05 0.0001 0.001
0.01
0.1
1
Output Current IOUT(A)
13.2V
8V
5V
2.3V
R1223N152H
L=27uH
2) Efficiency vs. Output Current
R1223N332A(VIN=4.5V)
0
10
20
30
40
50
60
70
80
90
100
0.1
1
10
100
1000
Output Current IOUT(mA)
CD104-27uH
Si3443DV
R1223N332A(VIN=12V)
0
10
20
30
40
50
60
70
80
90
100
0.1
1
10
100
1000
Output Current IOUT(mA)
CD104-27uH
Si3443DV
R1223N332B(VIN=4.5V)
0
10
20
30
40
50
60
70
80
90
100
0.1
1
10
100
1000
Output Current IOUT(mA)
CD104-27uH
Si3443DV
R1223N332B(VIN=12V)
0
10
20
30
40
50
60
70
80
90
100
0.1
1
10
100
1000
Output Current IOUT(mA)
CD104-27uH
Si3443DV


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